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Word of the Day Tuesday, June 9, 2026

cotyledon

/kɒtɪˈliːdən/ noun · British & US
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What does cotyledon mean?

noun

A cotyledon is the embryonic leaf of a plant, especially one that is visible in the seed. It is a part of the seed that develops into the first leaves of the plant.

Example

"The cotyledon of the bean plant is a small, green leaf that emerges from the seed."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for cotyledon

Rhymes with cotyledon

Etymologically related